OpenTechnical

OT-2026-000095458

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000095458) never changes.

Identity and time

Publication numberOT-2026-000095458 · never reused
Internal UUID01a0ae9f-8f73-711a-93d3-07bad1f6809f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095458
StatusPUBLIC

Content hashes

Canonical text201f9f394d6d27c63b33b8c1be0bfbb38973dd900cfacf1ca81ab5ab4b900f0c
Markdown55a50727b1a15402f403c82ee1e6c23d1256a818bd7321f86b9e7d4de4f4d86f
PDF
Publication page081e8398201d77eea6cbabeb9b263473877d6a5513a7297fb57f1e00217d36f2
Manifest008e4aaf320362595e95d71e51fa1dffdf96f9a424a5b5ed23167623cf5442f2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureuztXQTBPVlLkVEXRZbFK3HAarC+izZNQlPsETUJnyAIuQtlrYWcDKpoeHbtyPMsDPBAfyi4ir2L9JG6OcLZACQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:50.175927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095458
observed 081e8398201d77eea6cbabeb9b263473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:50.158048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095458/manifest.json
observed 008e4aaf320362595e95d71e51fa1dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:50.140356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095458/publication.md
observed 55a50727b1a15402f403c82ee1e6c23d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:50.118368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095458/publication.txt
observed 201f9f394d6d27c63b33b8c1be0bfbb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.